X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FsearchEngine%2Fhtml%2Fset.html;h=292c76861b1c8e5fd22234721a4babe2f87b00bf;hb=02a075a57f4e40ff34b7ae1351ab77c32d0d427b;hp=3154d937aa5f245898b253b77a33d7838633c62e;hpb=f56fe02e31003418cf9dbe3a472fe665acbbf4f5;p=helm.git

diff --git a/helm/searchEngine/html/set.html b/helm/searchEngine/html/set.html
index 3154d937a..292c76861 100644
--- a/helm/searchEngine/html/set.html
+++ b/helm/searchEngine/html/set.html
@@ -25,7 +25,28 @@ function listvvars()
 	}
 function help()
 	{
-	alert ("spiegazione del bottone selezionato");
+with (document.form1) {
+	if (selopt[0].checked)
+	alert ("Turns a list of strings which cannot have attributes (the [val]) in a list of strings which can have them, but initially has none (a [set]).");
+	if (selopt[1].checked)
+	alert ("Taken a list of posix regular expressions, 'pattern [val]' searches the HELM library for all the URIs which match with at least one of those and returns a [set] representing them.");
+	if (selopt[2].checked)
+	alert ("A [svar] represents a list of URIs with attributes.");
+	if (selopt[3].checked)
+	alert ("A [rvar] is a single URI with attributes.");
+	if (selopt[4].checked)
+	alert ("Parenthesis are employed to force precedence between operators.");
+	if (selopt[5].checked)
+	alert ("The [path] you must enter represents a relation; this production returns a [set] composed by the union of all the URIs which match the chosen relation in the [val] you will enter afterwards, without attributes. If you select 'inverse', you'll obtain a list of all the URIs for which the [val] matches the chosen relation, 'sub' and 'super' modify the result depending on the chosen relation and the last input box allows you to add attributes to the result.");
+	if (selopt[6].checked)
+	alert ("This production returns a [set] composed by all the URIs in the given [set] which match the condition in the given [boole].");
+	if (selopt[7].checked)
+	alert ("'Union' returns a [set] which is the union of the two given [set]; should an URI be present in each [set] with different attributes, it will be included in the result only once with all the attributes.\n'Intersect' returns a [set] which contains the cartesian product of the URIs listed in each given [set].\n'Diff' returns a [set] which contains the URIs found in the first given [set] but not in the second. Attributes are ignored.");
+	if (selopt[8].checked)
+	alert ("Allows you to assign a value to a [svar]");
+	if (selopt[9].checked)
+	alert ("Allows you to assign a value to a [vvar]");
+	}
 	}
 function choice()
 {